Sony CDP-CX90ES - 200 Disc Cd Changer Manual

The Sony CDP-CX90ES is a high-capacity 200-disc CD changer designed for serious audio enthusiasts. It features high-quality digital-to-analog conversion, random access playback, programmable play sequences, and compatibility with standard audio CDs. Below are key sections covering safety, features, installation, operation, programming, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Audio Systems 7. Loading and Playing Discs 8. Programming Playback 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with 200-disc magazine, Remote Control, Audio output connectors, Digital output, Power cord.

Feature	Description
Disc Capacity	Holds up to 200 CDs using dedicated magazines
Random Access	Quick selection and playback of any disc/track
Program Play	Store up to 32 tracks in memory for custom sequences
Digital Output	Optical and coaxial outputs for connection to external DACs or receivers
Audio Outputs	Stereo RCA line-level outputs
Direct Track Access	Numeric keypad for direct disc and track selection
Repeat Functions	Repeat disc, track, or entire program
Shuffle Play	Random playback of tracks from selected discs or entire library
Display	Front panel fluorescent display showing disc, track, and time information
Power	Turns unit on/off; includes standby mode

Installation

Unpack and inspect contents. Place on stable, level surface away from heat sources and vibration.

Connect audio outputs: Use RCA cables to connect LINE OUT to amplifier or receiver.
Connect digital output (optional): Use optical or coaxial cable to compatible digital input.
Plug power cord into AC outlet.
Load disc magazine: Ensure unit is powered off, insert magazine fully until it clicks.

WARNING! Unit is heavy; use caution when lifting. Ensure proper ventilation around the unit.

First-Time Setup

Power on the unit; initialize system.

Load disc magazine: Insert magazine, close door, unit will automatically read TOC (Table of Contents).
Set display brightness: Use DIMMER button on remote or front panel.
Configure digital output: Use menu to select output format (PCM).
Test playback: Select a disc and track to verify audio output.

CAUTION! Do not force magazine insertion or removal. Handle discs by edges only.

Specifications

Disc Capacity: 200 CDs (using supplied magazines).
Supported Formats: Audio CD (CD-DA).
Frequency Response: 2 Hz - 20 kHz (±0.3 dB).
Signal-to-Noise Ratio: >115 dB.
Total Harmonic Distortion: <0.0015%.
Outputs: Analog stereo (RCA), Digital optical, Digital coaxial.
Power Requirements: 120V AC, 60Hz, 18W.
Dimensions (W x H x D): Approx. 16 1/2" x 5 3/4" x 15 3/4".
Weight: Approx. 26.5 lbs.

Controls and Settings

Front Panel: POWER, OPEN/CLOSE (magazine door), DISC SKIP, TRACK SKIP, PLAY, STOP, PAUSE, DISPLAY.

Remote: POWER, Numeric buttons (0-9, +10), OPEN/CLOSE, PLAY, STOP, PAUSE, SKIP, REPEAT, SHUFFLE, PROGRAM, DISPLAY, DIMMER.

Playback Modes: Normal, Program, Shuffle, Repeat (One/All). Display: Shows disc number, track number, elapsed/remaining time, program status. Settings: Digital output format, display brightness, auto standby.

Connecting to Audio Systems

Analog: LINE OUT L/R to amplifier/receiver. Digital: OPTICAL or COAXIAL to compatible input.

Turn off all components before connecting.
Use high-quality cables for best performance.
Ensure connections are secure.
Power on amplifier before the CD changer.

Tip: For pure digital audio path, use digital output to an external DAC or AV receiver.

Loading and Playing Discs

Supports standard 12cm audio CDs.

Load magazine: Press OPEN/CLOSE, insert loaded magazine fully.
Play disc: Use numeric keys to select disc number, then press PLAY.
Select track: Use numeric keys or TRACK SKIP buttons.
Stop playback: Press STOP; press again to clear track memory.
Pause: Press PAUSE; press again or PLAY to resume.
Skip: DISC SKIP for next/previous disc; TRACK SKIP for next/previous track.
Search: Press and hold SKIP buttons for fast forward/rewind.

WARNING! Do not attempt to remove magazine during playback or TOC reading. Allow unit to complete operations.

Programming Playback

Create custom play sequences of up to 32 tracks.

Press PROGRAM button.
Use numeric keys to enter disc number, then track number.
Press ENTER or PROGRAM to store each selection.
Repeat for additional tracks.
Press PLAY to start programmed sequence.
Press CLEAR to erase program memory.

Shuffle Play: Press SHUFFLE to randomize playback from current disc, selected discs, or entire magazine.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Clean laser lens only with approved CD lens cleaner.

CAUTION! Never use solvents, aerosols, or abrasive cleaners. Keep magazines in protective cases when not in use.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact Sony customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; ensure outlet is live; check fuse.
No sound	Connections/volume	Verify audio cables are connected to correct inputs; check amplifier power and volume.
Magazine not recognized	Improper insertion	Eject and reinsert magazine firmly until it clicks; ensure it's loaded correctly.
Disc skip or misread	Dirty disc/lens	Clean disc with soft cloth; use approved lens cleaner; check for disc damage.
Remote not working	Batteries/obstruction	Replace batteries; ensure clear line of sight to sensor; check for interference.
Display dim or blank	Brightness setting	Adjust display brightness using DIMMER button.

Reset: Unplug unit for 2 minutes, then reconnect to reset microprocessor.

Service: Contact authorized Sony service center; www.sony.com/electronics/support